Article Per Year (5 Year)
p-Index From 2021 - 2026
5.251
P-Index
This Author published in this journals
All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA JURNAL EKSAKTA PENDIDIKAN (JEP) PeTeKa JURNAL MathEdu (Mathematic Education Journal) Minda Baharu Jurnal Pendidikan dan Konseling Edumatika Komunita: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Hasil Penelitian dan Pengembangan (JHPP) Jurnal Pengabdian Kepada Masyarakat Radisi Jurnal KALANDRA Jurnal Cermatika Jurnal Cermatika
Yuni Rhamayanti
Universitas Graha Nusantara
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

Published : 41 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 5 Documents
Search
Journal : Jurnal Cermatika

 1 
PENGARUH PENERAPAN PMR TERHADAP PENINGKATAN KEMAMPUAN KOMUNIKASI DAN RESPON SISWA SMP PADANGSIDIMPUAN yuni rhamayanti; robi nastain; mhd fahmi lubis
Jurnal Cermatika Vol. 1 No. 2 (2021): JURNAL CERMATIKA, VOLUME 1, NOMOR 2, OKTOBER 2021
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

SMP as the subject of this research is based on the consideration that the cognitive level is still in the transitional stage from concrete to formal operations so that it is suitable for the implementation of PMR. This study aims to 1) determine the effect of implementing PMR learning on improving students' mathematical communication skills, and 2) knowing student responses during the process of implementing PMR learning. This research is a quasi-experimental research. The design used in this study was a pretest posttest control group design. In this design, there are two groups selected randomly, then given a pretest to determine the extent to which students are ready to receive learning, while the posttest is used to measure students' mathematical communication skills after being given treatment. The research instrument used tests and non-tests. The test used is a test of students' mathematical communication skills in the form of description questions, while the non-test used is a student response questionnaire. Before the test was used, the Expert test and Instrument Trial were conducted at SMP Negeri 3 Padangsidimpuan. The results showed that there was an effect of the application of PMR on the improvement of students' mathematical communication skills. The increase in the mathematical communication ability of the experimental class was 0.63 in the medium category and the control class was 0.24 in the low category. The results of the calculation of student responses to PMR components and activities are 95.55%, this shows a positive student response because the average percentage is > 80%. Based on the results of this study, it is hoped that the application of PMR can be used as an alternative for mathematics teachers to be developed as an effective learning strategy so that mathematics communication skills and student responses are better.
PEMANFAATAN E-LEARNING DALAM PEMBELAJARAN MATEMATIKA SECARA MANDIRI Nurhawani Sitompul; elvi rosalinda siagian; fatima sari; khoirunniasa .; yuni rhamayanti
Jurnal Cermatika Vol. 1 No. 2 (2021): JURNAL CERMATIKA, VOLUME 1, NOMOR 2, OKTOBER 2021
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Basically, the use of E-learning in mathematics education is broad, both as a medium of learning in the classroom and as a medium for independent learning. Utilization of E-Learning will improve learning outcomes indirectly. Thus, it is hoped that the internet speed available on the campus, especially the Graha Nusantara University (UGN) Padangsidimpuan, is very good so that the implementation of self-learning based on E-Learning can run smoothly. In addition, all training is needed in the context of socializing the development of E-Learning learning methods so that students have effective thinking patterns and accept E-Learning as an alternative learning and evaluation in teaching and learning.
Penerapan Model Pembelajaran Kooperatif Tipe Examples Non Examples Terhadap Kemampuan Berpikir Kritis Matematika Siswa Kelas VIII SMP Negeri 9 Padangsidimpuan TP. 2022/2023 Elvi Rosalinda Siagian; Yuni Rhamayanti; Susi Sulastri Lubis
Jurnal Cermatika Vol. 3 No. 2 (2023): JURNAL CERMATIKA VOLUME 3 NOMOR 2 BULAN OKTOBER TAHUN 2023
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This The problem in this research is the low ability of students' critical thinking in mathematics. To overcome this problem, this study applied the Example Non Example learning model. The aims of this study were (1) to find out students' mathematical critical thinking skills which were taught using the Example Non-Example learning model on the subject of geometric shapes better than learning without using the Example Non-Example learning model in class VIII SMP Negeri 9 Padangsidimpuan. (2) To find out the size of students' active learning activities in learning mathematics in the experimental class and the control class. The type of research used in this research is experimental research. The population in this study were students of class VIII SMP Negeri 9 Padangsidimpuan. The research sampling technique is random sampling. The instruments used to collect data were tests of critical thinking skills in mathematics in the form of essays and observations of students' learning activities. The learning tools used in this study are lesson plans, worksheets, and test instruments. The test used is a test that has been validated and is suitable for use. Hypothesis testing used two way Anava with different number of cells, with a significance level of 0.05. The results of the analysis on the two-way Anava with unequal number of cells show: (1) Students who get the Example Non-Example learning model and the ordinary learning model get different learning outcomes in mathematics (Fa = 72.82 with Ftable = 3.97). (2) Students with high, medium, and low critical thinking skills have different learning outcomes in mathematics (Fb = 38.75 with Ftable = 3.12). (3) The results of learning mathematics between students in each learning model for each level of critical thinking skills are not different (Fab = 3.59 with Ftable = 3.12). (4) The results of observing the assessment of the ability of students' learning activities in the experimental class obtained an average of 3.04 and a percentage of 76.06% with a good grade qualification while for the control class obtained an average of 2.48 and a percentage of 62.09% with a qualifying score Enough.
Penerapan Hands On Mind On Activity Dalam Pembelajaran Matematika Dengan Pendekatan Kontekstual Sebagai Upaya Meningkatkan Kemampuan Berpikir Kritis Matematika Siswa SMA Negeri 1 Trio Kharisma; Yuni Rhamayanti; adek Nilasari Harahap
Jurnal Cermatika Vol. 3 No. 1 (2023): VOLUME 3 NOMOR 1 BULAN APRIL TAHUN 2023
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan untuk mengetahui apakah penerapan model Hands on minds on activity dengan pendekatan kontekstual dapat meningkatkan kemampuan berpikir kritis matematika secara efektif pada siswa SMA Negeri 1 Angkola Timur Tahun Ajaran 2022/2023. Penelitian ini dilaksanakan dalam 2 siklus dalam setiap siklus terdiri dari 2 kali pertemuan. Pada setiap siklus, siswa diberi tes akhir untuk mengukur kemampuan berpikir kritis matematika siswa pada materi aturan pencacahan. Instrumen yang digunakan dalam pengumpulan data pada penelitian ini adalah tes. Hasil penelitian dari 30 orang siswa pada tes awal terdapat 11 orang siswa yang mencapai ketuntasan belajar yaitu 36,7% dengan nilai rata- rata 53,8 ternyata pada tes awal belum tercapai maka harus dilanjutkan ke siklus I ternyata tingkat ketuntasan belajar siswa sedikit meningkat yaitu terdapat 16 orang siswa yang mencapai ketuntasan belajar yaitu 53,3% dengan nilai rata-rata 60,8, ternyata pada siklus I belum tercapai maka harus dilanjutkan ke siklus II ternyata tingkat ketuntasan belajar siswa semakin meningkat yaitu terdapat 26 orang siswa yang mencapai ketuntasan belajar 86,7% dengan rata- rata 73,9. Berdasarkan pembahasan hasil penelitian diperoleh bahwa adanya peningkatan kemampuan berpikir kritis matematika siswa pada pokok bahasan aturan pencacahan di kelas XI IPS SMA Negeri 1 Angkola Timur Tahun Ajaran 2022/2023 melalui penerapan model Hands on mind on activity dengan pendekatan kontekstual.
UPAYA MENINGKATKAN PEMAHAMAN KONSEP MATEMATIKA MELALUI PENERAPAN MODEL QUANTUM LEARNING SISWA KELAS VIII-2 SMP NEGERI 2 BATAHAN TP. 2022/2023 Mansukri; Yuni Rhamayanti; adek Nilasari Harahap
Jurnal Cermatika Vol. 4 No. 1 (2024): VOLUME 4 NOMOR 1 BULAN APRIL TAHUN 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini merupakan penelitian tindakan kelas (PTK) dengan mengambil subjek penelitian siswa Kelas di kelas VIII-2 yang terdiri dari 30 orang dengan komposisi perempuan 17 orang dan laki-laki 13 orang. Sedangkan Objek Penelitian ini adalah penggunaan model Quantum Learning sebagai upaya meningkatkan kemampuan Pemahaman Konsep siswa pada pokok bahasan Bangun Ruang. Hasil penelitian ini ini menunjukkan hasil tes pemahaman konsep matematika siswa di kelas VIII-2 setelah diberi perlakuan dilihat dari hasil tes belajar siswa pada siklus I sebesar 73,33 % tuntas, dan pada siklus II diperoleh persentase sebesar 90,00% tuntas. Berdasarkan data hasil penelitian melalui observer siswa siklus I kadar aktivitas sebesar 70,33%, dan pada siklus II d kadar aktivitas sebesar 94,00%. Berdasarkan hasil data persentase melalui observer guru diperoleh siklus I nilai kadar aktivitas sebesar 70,33 % dan pada siklus II nilai kadar aktivitas sebesar 94,00 %. Jadi, dapat disimpulkan bahwa kemampuan guru dalam mengelola pembelajaran termasuk pada kategori “sangat baik” dan sudah memenuhi kriteria pencapaian penelitian, maka penelitian ini berhenti pada siklus II. Berdasarkan hasil penelitian tersebut, maka penerapan model pembelajaran Quantum Learning dapat meningkatkan pemahaman konsep matematika siswa pada pokok bahasan bangun ruang di kelas VIII-2 SMP Negeri 2 Batahan Tahun Pelajaran 2021/2022.
Co-Authors ., Rayana Abrizal Hasibuan Adek Nilasari Harahap Agus Makmur Ali Djamhuri Alwendi, Alwendi andika saputra harahap Ayathollah Khomeni Dhuraba Qodriansyah elvi rosalinda siagian Eni Sumanti Nasution Evitamala Siregar fatima sari Fauziah Nasution Fitriani Fitriani Habibah Hammamah Harahap, Haritsah Harahap, Adek Nilasari harahap, mukmin Haritsah Hammamah Harahap Haritsah Hammamah Herahap Isra Novidayanti Matondang khoirunniasa . Khomeni, Ayathollah Lynni Suryani Mansukri Mansukri Marozi Hardiansyah Melida Warni Nasution mhd fahmi lubis Mohd. Arifin Nandini Faradilla Nenni Herawati Siregar Nova Christina Dewi Nur Atika Lubis Nurdalilah Nurdalilah Nurdalilah Nurdalilah Nurdalilah, Nurdalilah Nurhawani Sitompul Puspa Riani Nasution Puspa Riani Nasution Putri Lestari Simamora Rahima Safitra Pane Ramadhan Saleh Riski Handayani robi nastain Siregar, Rama Nida Sri Rejeki Pakpahan Sri Rezeki Pakpahan Susi Sulastri Lubis Susi Sulastri Lubis Tinur Rahmawati Torang Siregar Trio Kharisma Trio Kharisma Try Wahyuni Wilda Harianti Wulan Eka Putri Yeni Cholida Yeni Cholidah Lubis